1st Appearances of Myndi Mayer, Cheetah (Barbara Minerva)Angelo notes: A CGC 9.6 variant sold for $500 in August of 2018. Doug notes: 1st Barbara Minerva CHEETAH; At dougcomicworld.com in 2018, a CGC 9.2 variant sold for $95 and a CGC 9.6 variant sold for $125.